Peterborough 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Peterborough 7-day weather forecast

Stacker created the forecast for Peterborough, Ontario using data from OpenWeather. This week's high is 27 °C on Wednesday, while the low is 7 °C on Monday. There are expected to be 3 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, September 8

- High of 20 °C, low of 7 °C (36% humidity)
- Mostly sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 6:44 AM, sunset at 7:37 PM
1 / 6
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Tuesday, September 9

- High of 23 °C, low of 8 °C (34% humidity)
- Fair with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 6:45 AM, sunset at 7:35 PM
2 / 6
Ahmet Naim // Shutterstock

Wednesday, September 10

- High of 27 °C, low of 10 °C (27% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 6:46 AM, sunset at 7:33 PM
3 / 6
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Thursday, September 11

- High of 26 °C, low of 11 °C (32% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 6:48 AM, sunset at 7:31 PM
4 / 6
Stepan Bessmelnitsin // Shutterstock

Friday, September 12

- High of 24 °C, low of 9 °C (31% humidity)
- Partly cloudy with a 0% chance of snow
- Light air (12 km/h wind)
- Sunrise at 6:49 AM, sunset at 7:30 PM
5 / 6
Alex Stemmer // Shutterstock

Saturday, September 13

- High of 26 °C, low of 10 °C (32% humidity)
- Mostly cloudy with a 0% chance of snow
- Light breeze (18 km/h wind)
- Sunrise at 6:50 AM, sunset at 7:28 PM
6 / 6
Andrew Lever // Shutterstock

Sunday, September 14

- High of 17 °C, low of 12 °C (89% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Light breeze (18 km/h wind)
- Sunrise at 6:51 AM, sunset at 7:26 PM
- Last quarter moon

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